This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Terminology of Bevel gears”. 1. If pitch angle and addendum angles are 5⁰ and 12⁰ respectively, then face angle is equal to? a) 17⁰ b) 7⁰ c) 5⁰ d) 12⁰ 2. If pitch angle is 8⁰ and dedendum angle is 4⁰, then … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Bevel Gears”. 1. There are ____ common types of bevel gears. a) 1 b) 2 c) 3 d) 4 2. Straight bevel gears are easy to design and manufacture and give reasonably good service with quieter operation. a) True b) No, noise … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Strength of Helical Gears”. 1. Lewis form factor is based on real number of teeth. a) True b) False 2. Beam strength indicates the maximum value of radial force that a tooth can transmit without fatigue failure. a) True b) False 3. … Read more
This set of Tough Machine Design Questions focuses on “Helical Gears”. 1. Among spur gear and helical gear, which has smooth engagement and thus lesser noise? a) Helical Gears b) Spur Gears c) Both have equal noises d) Can’t be determined 2. There is same type of tooth meshing in helical and spur gear. a) … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “System of Gear Tooth”. 1. There are ____ standard systems for the shape of gear teeth. a) 1 b) 2 c) 3 d) 4 2. When the number of teeth reaches infinity, circle radius approaches infinity the gear becomes an infinite loop. … Read more
This set of tough Machine Design Questions & Answers focuses on “Inerference, Undercutting & Backlash”. 1. Interference is caused by? a) Overlapping of tooth profiles b) Large size of dedendum c) Meshing of involute and no-involute profiles d) All of the mentioned 2. Interference can be removed by under cutting. a) True b) False 3. … Read more
This set of tricky Machine Design Questions & Answers focuses on “Gear Trains”. 1. If driving gear rotates CW, driven gear will rotate? a) ACW b) CW c) Both CW and ACW d) Can’t be determined 2. If driving gear rotates ACW, driven gear will rotate in which direction? a) ACW b) CW c) Both … Read more
This set of Advanced Machine Design Questions & Answers focuses on “Terminology of Spur Gears”. 1. In cycloidal gears contact area is a) Comparatively smaller b) Comparatively larger c) Can’t be determined d) None of the listed 2. Involute gears have greater contact area as compared to cycloidal gears. a) True b) False 3. Cycloidal … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Gears Introduction” 1. The common normal to the curves of the two teeth must not pass through the pitch point. a) True b) It must pass c) It may or may not pass d) None of the listed 2. Which of the … Read more
This set of Machine Design Multiple Choice Questions & Answers (MCQs) focuses on “Hydrodynamics Bearings”. 1. The bearing characteristic number shown in the graph is directly proportional to the unit bearing pressure. a) True b) False 2. In the graph shown below, which regions points the partial metal to metal contact. a) BC b) CD … Read more
